<template>
  <view class="viewport">
    <!-- 搜索框 -->
    <view class="search">
      <view class="input">
        <text class="icon-search">女靴</text>
      </view>
    </view>
    <!-- 分类 -->
    <view class="categories">
      <scroll-view class="primary" scroll-y>
        <view v-for="(item, index) in categoryTop" :key="item.id" class="item" :class="{ active: activeIndex === index }" @click="activeIndex = index">
          {{ item.name }}
        </view>
      </scroll-view>
      <scroll-view class="secondary" scroll-y>
        <!-- 焦点图 -->
        <Carousel class="banner" height="200rpx" :banners="banners"> </Carousel>
        <!-- 区块 -->
        <view class="panel" v-for="item in categorySubList" :key="item.id">
          <view class="title">
            {{ item.name }}
            <navigator class="more" hover-class="none"> 全部 </navigator>
          </view>
          <view class="section">
            <navigator v-for="goods in item.goods" :key="goods.id" :url="`/pages/goods/index?id=${goods.id}`" hover-class="none">
              <image :src="goods.picture" mode="aspectFill" />
              <view class="name ellipsis">{{ goods.name }}</view>
              <view class="price">
                <text class="symbol">￥</text>
                <text class="number">{{ goods.price }}</text>
              </view>
            </navigator>
          </view>
        </view>
      </scroll-view>
    </view>
  </view>
</template>

<script>
import { getCategoryTop } from '@/api/category'
import { getHomeBanner } from '@/api/home'
export default {
  data() {
    return {
      // 分类数据
      categoryTop: [],
      // 当前显示的菜单下标
      activeIndex: 0,
      // 轮播图
      banners: []
      /** 二级分类列表 */
      // categorySubList: []
    }
  },
  computed: {
    categorySubList() {
      if (this.categoryTop.length >= 1) {
        return this.categoryTop[this.activeIndex].children
      } else {
        return []
      }
    }
  },
  async onLoad() {
    this.getCateTop()
    this.getHomeBanner()
  },

  methods: {
    async getHomeBanner() {
      const res = await getHomeBanner(2)
      this.banners = res.result
    },
    async getCateTop() {
      const res = await getCategoryTop()
      this.categoryTop = res.result
      // this.categorySubList = this.categoryTop[0].children
    }
  }
}
</script>

<style lang="scss">
page {
  height: 100%;
  overflow: hidden;
}
.viewport {
  height: 100%;
  display: flex;
  flex-direction: column;
}
.search {
  padding: 0 30rpx 20rpx;
  background-color: #fff;
  .input {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64rpx;
    padding-left: 26rpx;
    color: #8b8b8b;
    font-size: 28rpx;
    border-radius: 32rpx;
    background-color: #f3f4f4;
  }
}
.icon-search {
  &::before {
    margin-right: 10rpx;
  }
}
/* 分类 */
.categories {
  flex: 1;
  min-height: 400rpx;
  display: flex;
}
/* 主分类 */
.primary {
  overflow: hidden;
  width: 180rpx;
  flex: none;
  background-color: #f6f6f6;
  .item {
    height: 96rpx;
    text-align: center;
    line-height: 96rpx;
    font-size: 26rpx;
    color: #595c63;
    position: relative;
    &::after {
      position: absolute;
      left: 42rpx;
      bottom: 0;
      content: '';
      width: 96rpx;
      border-top: 1rpx solid #e3e4e7;
    }
  }
  .active {
    background-color: #fff;
    &::before {
      position: absolute;
      left: 0;
      top: 0;
      content: '';
      width: 8rpx;
      height: 100%;
      background-color: #27ba9b;
    }
  }
}
.primary .item:last-child::after,
.primary .active::after {
  display: none;
}
/* 次分类 */
.secondary {
  background-color: #fff;
  .banner {
    height: 200rpx;
    margin: 30rpx;
    border-radius: 4rpx;
    overflow: hidden;
  }
  .panel {
    margin: 0 30rpx 0rpx;
  }
  .title {
    height: 60rpx;
    line-height: 60rpx;
    color: #333;
    font-size: 28rpx;
    border-bottom: 1rpx solid #f7f7f8;
    .more {
      float: right;
      padding-left: 20rpx;
      font-size: 24rpx;
      color: #999;
    }
  }
  .more {
    &::after {
      font-family: 'erabbit' !important;
      content: '\e6c2';
    }
  }
  .section {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    padding: 20rpx 0;
    navigator {
      width: 150rpx;
      margin: 0rpx 30rpx 20rpx 0;
      &:nth-child(3n) {
        margin-right: 0;
      }
    }
  }
  navigator {
    image {
      width: 126rpx;
      height: 126rpx;
    }
    .name {
      font-size: 26rpx;
      color: #333;
    }
    .price {
      font-size: 18rpx;
      color: #cf4444;
    }
    .number {
      font-size: 24rpx;
      margin-left: 2rpx;
    }
  }
}
</style>
